Iklan

Pertanyaan

Diketahui .Jika B = AC T , maka a + b + c = ....

Diketahui begin mathsize 14px style A equals open parentheses table row cell 2 a end cell cell negative sign 1 end cell row 4 cell negative sign 2 c end cell end table close parentheses comma space B equals open parentheses table row 1 cell negative sign 2 end cell row cell negative sign 2 b end cell 0 end table close parentheses comma space dan space C equals open parentheses table row 0 cell negative sign 1 end cell row 4 cell negative sign 2 end cell end table close parentheses end style. Jika , maka ....

  1. begin mathsize 14px style negative sign 9 over 2 end style 

  2. begin mathsize 14px style negative sign 4 end style 

  3. undefined 

  4. undefined 

  5. begin mathsize 14px style 4 end style  

8 dari 10 siswa nilainya naik

dengan paket belajar pilihan

Habis dalam

00

:

21

:

58

:

47

Klaim

Iklan

D. Kamilia

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah C.

jawaban yang tepat adalah C.

Pembahasan

Perhatikan bahwa Sehingga kita peroleh Jadi, . Dengan demikian, jawaban yang tepat adalah C.

Perhatikan bahwa

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row B equals cell AC to the power of T end cell row cell open parentheses table row 1 cell negative sign 2 end cell row cell negative sign 2 b end cell 0 end table close parentheses end cell equals cell open parentheses table row cell 2 a end cell cell negative sign 1 end cell row 4 cell negative sign 2 c end cell end table close parentheses open parentheses table row 0 cell negative sign 1 end cell row 4 cell negative sign 2 end cell end table close parentheses to the power of T end cell row cell open parentheses table row 1 cell negative sign 2 end cell row cell negative sign 2 b end cell 0 end table close parentheses end cell equals cell open parentheses table row cell 2 a end cell cell negative sign 1 end cell row 4 cell negative sign 2 c end cell end table close parentheses open parentheses table row 0 4 row cell negative sign 1 end cell cell negative sign 2 end cell end table close parentheses end cell row cell open parentheses table row 1 cell negative sign 2 end cell row cell negative sign 2 b end cell 0 end table close parentheses end cell equals cell open parentheses table row cell 0 plus 1 end cell cell 8 a plus 2 end cell row cell 0 plus 2 c end cell cell 16 plus 4 c end cell end table close parentheses end cell row cell open parentheses table row 1 cell negative sign 2 end cell row cell negative sign 2 b end cell 0 end table close parentheses end cell equals cell open parentheses table row 1 cell 8 a plus 2 end cell row cell 2 c end cell cell 16 plus 4 c end cell end table close parentheses end cell end table end style  

 

Sehingga kita peroleh

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 8 a plus 2 end cell equals cell negative sign 2 end cell row cell 8 a end cell equals cell negative sign 2 minus sign 2 end cell row cell 8 a end cell equals cell negative sign 4 end cell row a equals cell negative sign 4 over 8 end cell row a equals cell negative sign 1 half end cell row blank blank blank row blank blank blank row cell 16 plus 4 c end cell equals 0 row cell 4 c end cell equals cell negative sign 16 end cell row c equals cell negative sign 16 over 4 end cell row c equals cell negative sign 4 end cell row blank blank blank row blank blank blank row cell negative sign 2 b end cell equals cell 2 c end cell row cell negative sign 2 b end cell equals cell 2 open parentheses negative sign 4 close parentheses end cell row cell negative sign 2 b end cell equals cell negative sign 8 end cell row b equals cell fraction numerator negative sign 8 over denominator negative sign 2 end fraction end cell row b equals 4 end table end style  

 

Jadi, begin mathsize 14px style a and b and c equals minus sign 1 half plus 4 plus open parentheses negative sign 4 close parentheses equals minus sign 1 half end style.

Dengan demikian, jawaban yang tepat adalah C.

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

1

Iklan

Pertanyaan serupa

Jika dan dan K T = L T ,maka x + y = … .

2

0.0

Jawaban terverifikasi

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Roboguru

Coba GRATIS Aplikasi Ruangguru

Download di Google PlayDownload di AppstoreDownload di App Gallery

Produk Ruangguru

Hubungi Kami

Ruangguru WhatsApp

+62 815-7441-0000

Email info@ruangguru.com

[email protected]

Contact 02140008000

02140008000

Ikuti Kami

©2024 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia